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Product comparison · 2 internal hard drives

Lenovo 250GB Hot-Swap SATAII HDD vs Lenovo 73.4GB Hot-Swap Ultra 320 SAS HDD

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  • 8specifications compared
  • 4differ
  • 4identical
  • 3known for one product only

Key differences

The Lenovo 250GB Hot-Swap SATAII HDD has 176.6 GB more HDD capacity than the Lenovo 73.4GB Hot-Swap Ultra 320 SAS HDD (250 GB vs 73.4 GB). The Lenovo 73.4GB Hot-Swap Ultra 320 SAS HDD has 7,800 RPM more HDD speed than the Lenovo 250GB Hot-Swap SATAII HDD (15000 RPM vs 7200 RPM). The Lenovo 250GB Hot-Swap SATAII HDD has 5.5 ms more average seek time than the Lenovo 73.4GB Hot-Swap Ultra 320 SAS HDD (9 ms vs 3.5 ms).

  • HDD capacity
    • 250 GB
    • 73.4 GB
  • HDD speed
    • 7200 RPM
    • 15000 RPM
  • Average seek time
    • 9 ms
    • 3.5 ms
  • Average latency
    • 4.2 ms
    • 2 ms

Side by side

Differences highlightedShow differences only
11 specifications
A

Lenovo

250GB Hot-Swap SATAII HDDView product
B

Lenovo

73.4GB Hot-Swap Ultra 320 SAS HDDView product
Features4 differ
HDD capacityDiffers250 GB73.4 GB
HDD speedDiffers7200 RPM15000 RPM
HDD size3.5"3.5"
InterfaceUltra320 SCSIUltra320 SCSI
Average seek timeDiffers9 ms3.5 ms
Average latencyDiffers4.2 ms2 ms
Storage drive buffer sizeKnown for one8 MB
Poweridentical
Operating voltage5 / 12 V5 / 12 V
Other featuresidentical
Data transfer rateKnown for one3 Gbit/s
InternalYesYes
Sustained data rateKnown for one29.6 MB/s

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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